There is no doubt that we will soon run out of IPv4 space. To remedy this problem, IPv6 was developed. Linux and Mac OS X have inherit IPv6 support, and many people are still avoiding Vista in lieu of XP. Unfortunately, Windows XP does not have the built in IPv6 support that comes inherit with newer operating systems.

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Introduction

Knowing what ports are open on your machine is half the battle of locking it down. Knowing that you have a rogue web server running on port 6337, or realizing that somebody forgot to disable SSH logins can mean all the difference when under attack from an unknown entity. Preferably, we'd use a tool such as nmap or nessus to perform these checks for us. However, if the option isn't available, we can use an app that's already built in, albeit hidden, in OS X: Stroke.

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